OPAL-2237: Changed the Group selection widget from a suggestListBox to a simple Chooser
Adding VariableNature for geo data
OPAL-2269: Select variable on <ENTER> in navbar search box.Replaced group suggestions with a typeahead.
OPAL-2269: Rebase
Merge pull request #450 from emorency/OPAL-2269-variable-search-enter

OPAL-2269: Variable search on enter.